He's staunchly refused to join Twitter because he feels it's a waste of time.

But Adrian Chiles, 51, was shocked to discover he's been spending a whopping 43 hours per week on his phone, despite not even using social media.

Radio - Live - Presenter - Relationship - Technology

The Radio 5 Live presenter has been forced to re-evaluate his relationship with technology after being surprised by the Screen Time function on his iPhone, which tallies up the time spent on your apps.

Writing in his Guardian column, Adrian said: 'Unbidden, as far as I know, my phone has started telling me how much I’m using it.

Bears - Tidings - Twitter - Facebook - Instagram

'It bears bad tidings. It turns out that, without being on Twitter, Facebook, Instagram or Snapchat, I’m picking up the wretched thing 133 times a day.

'Over the past week I have notched up a mindbending, completely shaming 43 hours staring at my phone.'

Hours - Time - WhatsApp - Emails - Websites

Adrian revealed the hours were clocked up by the time he spends chatting on WhatsApp, answering emails and browsing websites.